Designation:E3052−16StandardPracticeforExaminationofCarbonSteelWeldsUsingEddyCurrentArray1ThisstandardisissuedunderthefixeddesignationE3052;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheuseofeddycurrentarraysensorsfornondestructiveexaminationofcarbonsteelwelds.Itincludesthedetectionandsizingofsurface-breakingcracksinsuchjoints,accommodatingfornonmagneticandnoncon-ductivecoatingupto5mmthick(typical)betweenthesensorandthejoint.Thepracticecoversavarietyofcrackingdefects,suchasfatiguecracksandothertypesofplanardiscontinuities,atvariouslocationsintheweld(heat-affectedzone,toearea,andweldcap,forexample).Itcoversthelengthanddepthsizingofsuchsurface-breakingdiscontinuities.Thispracticecanbeusedforflush-groundandnotflush-groundwelds.Forspecificferrousalloysorspecificweldedparts,theusermayneedamorespecificprocedure.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E543SpecificationforAgenciesPerformingNondestructiveTestingE1316TerminologyforNondestructiveExaminationsE2261PracticeforExaminationofWeldsUsingtheAlter-natingCurrentFieldMeasurementTechniqueE2884GuideforEddyCurrentTestingofElectricallyCon-ductingMaterialsUsingConformableSensorArraysE2905PracticeforExaminationofMillandKilnGirthGearTeeth—ElectromagneticMethods2.2ASNTDocuments3SNT-TC-1ARecommendedPracticeforPersonnelQualifi-cationandCertificationInNondestructiveTestingANSI/ASNT-CP-189StandardforQualificationandCertifi-cationofNondestructiveTestingP...